Use of nondigestible nonfibrous volumizer of meal content as a method for increasing feeling of satiety

ABSTRACT

A method for increasing satiety from food via use of a nondigestible nonfibrous physical volumizer. Distention of the stomach reduces hunger and increases food satiety. The invention increases volume of the mass being ingested without increasing the caloric value of the ingested quantity. This is achieved by use of a volumizing substance that is not metabolized by the body. Polytetrafluoroethylene (PTFE) is one material that could be used as a meal-content volumizing substance.

CROSS REFERENCE TO RELATED APPLICATIONS

Provisional Patent Application No. 61/745,802. Rotem Naftalovich andDaniel Naftalovich. Use of nonmetabolized nonfibrous volumizer of mealcontent as a method for increasing feeling of satiety. Filing Date: Dec.25, 2012

BACKGROUND

The present invention is in the fields of public health and foodscience. More particularly, the present invention has the medicalapplication for treatments for obesity. More particularly, the presentinvention deals with the physiology of appetite control.

Obesity is a huge problem in the United States. It is an epidemic ofincreasing prevalence. An effective way to lose weight is to reducecaloric intake. This is often hard for patients to do since it requiresa significant lifestyle modification. Artificial sweeteners have beenused to decrease caloric intake with minimal lifestyle changes. Thesecompounds work by stimulating the tongue receptors, thereby producing asweet taste, while at the same time resisting metabolism by thegastrointestinal tract and therefore not contributing to caloric inputto the body as natural sweeteners do. For instance, a patient whoconsumes orally 10 grams of Splenda®, a common artificial sweetener,would later excrete 10 grams of Splenda® in his or her feces, since theartificial sweetener is not metabolized. Other inventions haveapproached this problem, such as by proposing a liquid colloid ofdietary fiber in water suspension that could be drunk for appetitesuppression.

Our invention does not use dietary fiber. Dietary fiber is a naturalpart of certain foods and is generally nondigestible. In thefood-service industry “fiber refers to a group of carbohydrates thatcannot be absorbed and used by the body.” [Wayne Gisslen, ProfessionalCooking 7th ed, pg 127]. “Digestion is the chemical breakdown ofingested foods into absorbable molecules” [Costanzo, Physiology, 5^(th)ed pg 363]. It is noted in the prior art that a feature of “indigestiblesubstances is they are not digested or absorbed by the digestive tract”,however “Indigestible substances, such as dietary fibers . . . exhibitvarious modes of behavior in the digestive tracts producing . . .physiological effects through the endocrine system of the body” [U.S.Pat. No. 5,358,729]. This means that despite being nondigestible,nondigestible substances can still be utilized for physiologicaleffects.

Physiologically, distention of the stomach by any volume-occupying mass(including food and drinks) leads to the feeling of satiety andreduction in hunger. This gastric distention is caused by volumeoccupied by the mass ingested and is independent of the caloric value ofthe mass.

BRIEF SUMMARY OF THE INVENTION

The present invention is the use of nondigestible nonfibrous substanceto volumize meal content for the purpose of distending the stomach toreduce hunger. Such a substance can be used as a non-nutritionalsupplement that will increase the volume of the mass being ingested. Byincreasing ingested volume, the volumizing substance increases stomachdistention, which physiologically reduces hunger and hence diminishesthe desire to eat. Overall, this will lead to lower food consumption andcaloric intake, and therefore is a useful tool for appetite control andas a treatment for over-eating. In turn, this could contribute toreducing the obesity epidemic. Essentially, the physiology of thestomach and its response to physical distention enables it to be fooledinto feeling satisfied by eating fake food which has no caloric value.

A nondigestible volumizing substance can be used with food or drinksources of nutrients to decrease overall consumption. This can beachieved by using the volumizer alongside of a meal (such as within adrink) or directly mixed into the meal being ingested (such as mixedinto the meat of a hamburger). For example, a hamburger patty composedof 100 grams of meat can be mixed together with 100 grams of flavor-lessplastic powder to produce a larger patty (greater volume) compared to a100 grams meat-only patty. The volumized patty would be more fillingthan the 100 grams meat-only patty (due to higher gastric distention)yet equal in caloric and nutritional value (since the nondigestiblevolumizing substance will not be metabolized and hence not yield caloricvalue to the body).

Even though artificial sweeteners are not metabolized, they do not havesignificant effects on stomach distention. Rather, their mechanism is toenhance food flavor by molecular mechanisms while avoiding caloriccontribution. They are intended for use in small quantities to enhanceflavor, not to distend the stomach. Similarly to how artificialsweeteners emulate sugars to provide flavor without being metabolized,others have tried to emulate fat using nonmetabolized lipid analogues toprovide flavor. Unlike artificial sweeteners and lipid analogs, thepresent invention utilizes a macro-scale effect of the volume of theingested volumizing substance for hunger reduction via physicaldistention of the stomach. It involves consumption of much largeramounts and of substances that are designed to occupy volume rather thandesigned to interact molecularly with taste buds. In fact, animplementation of the present invention may be designed intentionally tobe flavor-less. The invention is novel and nonobvious.

BRIEF DESCRIPTION OF THE DRAWINGS

No figures included.

DETAILED DESCRIPTION AND BEST MODE OF IMPLEMENTATION

The present invention claims the use of a nondigestible nonfibrousvolumizing substance for ingestion as or within food or drinks, for thepurpose of reducing appetite due to gastric distention. A reduction topractice of such a volumizing substance could be a synthetic substancethat is safe for human ingestion and would be easily excreted duringdefecation, since it would not be absorbed and thus persist until thefeces. Such a substance could be designed to not detract from the eatingexperience, such as by being flavor-less and texture-less. Further, thechosen substance would be resistant to acid as to not be degraded by theacidic environment of the gastrointestinal tract. It may also bedesigned at the appropriate size and in the appropriate shape to notinjure the cells of the gastrointestinal tract nor to be taken-up bythese cells (e.g. enterocytes). Additionally, the material may be chosenfor cost-effectiveness, to enable mass-production and wide incorporationinto commercial food products (e.g. fast-food hamburgers, which areimportant in the obesity epidemic).

Compounds meeting the above requirements exist but are used forcommercial applications very different than as nondigestible volumizersfor meal content. An example of one such material ispolytetrafluoroethylene (PTFE), a synthetic material used in numerousapplications, for instance as a non-stick surface in household cookware(e.g. brandname Teflon®). PTFE is very non-reactive and chemicallyinert. It is approved by the FDA for use in surgical vascular graftimplants. It is heat resistant and can be made into powder form, makingit particularly suitable for mixing with raw ground meat duringproduction of hamburgers and other foods. It has a very low frictioncoefficient so it does not scratch the gastrointestinal tract. It ishighly resistant to acid, and indeed one existing application of PTFE isas containers for storage of strong acids. It is relatively cheap, whichenables some of its existing applications, such as being used inlarge-scale roofing construction. Therefore, due to these properties,PTFE can be used to increase a meal's volume significantly withoutincreasing caloric intake. PTFE, or an alternative chosen material,could also be ingested by itself without food or drink to achieve thesame satiety effect.

REFERENCES (INCORPORATED HEREIN BY REFERENCE)

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We claim:
 1. A method of human consumption of food, the methodcomprising consuming a meal, the meal comprising polytetrafluoroethylene(PTFE) wherein the weight ratio of PTFE to food is 1:1.
 2. The method ofclaim 1 wherein satiation occurs.